11. This bird’s large wings ________ it to fly very fast.
A) make B) cause C) enable D) ensure
12. In most of the United States, the morning newspaper is ________ by school-age children.
A) directed B) discharged C) derived D) delivered
13. Though the long-term ________ cannot be predicted, the project has been approved by the committee.
A) effect B) effort C) affect D) afford
14. Jane was fairly good at English, but in mathematics she could not ________ the rest of the students in her class.
A) put up with B) do away with C) keep up with D) run away with
15. He went ahead ________ all warnings about the danger of his mission.
A) in case of B) because of C) prior to D) regardless of
答案：11-15 BAACD
本文选自新东方在线论坛